Measuring Research Journals

I have to make a confession. I have not paid much attention to the Impact Factor for journals reported by ISI Journal Citation Reports . While I have published in numerous journals I have never chosen a journal for publication of my research on the basis of its Impact Factor. Recently, it was brought to my attention that in the most recent report, CACAIE has done quite well. Here is a comparison of the most recent (2005) Impact Factors for CACAIE and 40 other engineering journals that publish civil and infrastructure engineering research: